+package jalview.structure;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertNull;
+import static org.testng.Assert.fail;
+
+import org.testng.annotations.Test;
+
+public class AtomSpecTest
+{
+ @Test
+ public void testFromChimeraAtomSpec()
+ {
+ AtomSpec as = AtomSpec.fromChimeraAtomspec("#1:12.B");
+ assertEquals(as.getModelNumber(), 1);
+ assertEquals(as.getPdbResNum(), 12);
+ assertEquals(as.getChain(), "B");
+ assertNull(as.getPdbFile());
+
+ // no model - default to zero
+ as = AtomSpec.fromChimeraAtomspec(":13.C");
+ assertEquals(as.getModelNumber(), 0);
+ assertEquals(as.getPdbResNum(), 13);
+ assertEquals(as.getChain(), "C");
+ assertNull(as.getPdbFile());
+
+ // model.submodel
+ as = AtomSpec.fromChimeraAtomspec("#3.2:15");
+ assertEquals(as.getModelNumber(), 3);
+ assertEquals(as.getPdbResNum(), 15);
+ assertEquals(as.getChain(), "");
+ assertNull(as.getPdbFile());
+
+ String spec = "3:12.B";
+ try
+ {
+ as = AtomSpec.fromChimeraAtomspec(spec);
+ fail("Expected exception for " + spec);
+ } catch (IllegalArgumentException e)
+ {
+ // ok
+ }
+
+ spec = "#3:12-14.B";
+ try
+ {
+ as = AtomSpec.fromChimeraAtomspec(spec);
+ fail("Expected exception for " + spec);
+ } catch (IllegalArgumentException e)
+ {
+ // ok
+ }
+
+ spec = "";
+ try
+ {
+ as = AtomSpec.fromChimeraAtomspec(spec);
+ fail("Expected exception for " + spec);
+ } catch (IllegalArgumentException e)
+ {
+ // ok
+ }
+
+ spec = null;
+ try
+ {
+ as = AtomSpec.fromChimeraAtomspec(spec);
+ fail("Expected exception for " + spec);
+ } catch (NullPointerException e)
+ {
+ // ok
+ }
+ }
+}